Frequencies for first 10,000 rows of p6 variable in miper dataset :

         p6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,650       66.50       66.50
          1 |         44        0.44       66.94
          2 |         80        0.80       67.74
          3 |         76        0.76       68.50
          4 |         74        0.74       69.24
          5 |         69        0.69       69.93
          6 |         89        0.89       70.82
          7 |         89        0.89       71.71
          8 |        101        1.01       72.72
          9 |        119        1.19       73.91
         10 |        119        1.19       75.10
         11 |        157        1.57       76.67
         12 |        138        1.38       78.05
         13 |        127        1.27       79.32
         14 |        147        1.47       80.79
         15 |        161        1.61       82.40
         16 |        166        1.66       84.06
         17 |        182        1.82       85.88
         18 |        151        1.51       87.39
         19 |        154        1.54       88.93
         20 |        162        1.62       90.55
         21 |        145        1.45       92.00
         22 |        112        1.12       93.12
         23 |        102        1.02       94.14
         24 |         88        0.88       95.02
         25 |         75        0.75       95.77
         26 |         65        0.65       96.42
         27 |         68        0.68       97.10
         28 |         50        0.50       97.60
         29 |         48        0.48       98.08
         30 |         37        0.37       98.45
         31 |         30        0.30       98.75
         32 |         24        0.24       98.99
         33 |         19        0.19       99.18
         34 |         10        0.10       99.28
         35 |         16        0.16       99.44
         36 |          8        0.08       99.52
         37 |          8        0.08       99.60
         38 |          7        0.07       99.67
         39 |          5        0.05       99.72
         40 |          5        0.05       99.77
         41 |          4        0.04       99.81
         42 |          3        0.03       99.84
         43 |          4        0.04       99.88
         44 |          3        0.03       99.91
         45 |          2        0.02       99.93
         46 |          1        0.01       99.94
         48 |          1        0.01       99.95
         52 |          1        0.01       99.96
         56 |          1        0.01       99.97
         57 |          1        0.01       99.98
         59 |          1        0.01       99.99
         66 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016